.. _hello_world_user: Hello World ########### Overview ******** A simple Hello World example that can be used with any supported board and prints 'Hello World from UserSpace!' to the console. This application can be built into modes: * single thread * multi threading Building and Running ******************** This project outputs 'Hello World from UserSpace!' to the console. It can be built and executed on QEMU as follows: .. zephyr-app-commands:: :zephyr-app: samples/userspace/hello_world_user :host-os: unix :board: qemu_riscv32 :goals: run :compact: Sample Output ============= .. code-block:: console Hello World from UserSpace! qemu_riscv32 Exit QEMU by pressing :kbd:`CTRL+A` :kbd:`x`.